King Charles III and Queen Camilla departed the United States from Joint Base Andrews on Thursday afternoon [1].

The visit served as a high-profile diplomatic gesture to commemorate the 250th anniversary of the United States [2]. Such state visits reinforce the "special relationship" between the U.K. and the U.S. through shared cultural and political ties.

The royal couple concluded a four-day [3] historic state visit that brought them to Maryland for their final departure. The itinerary focused on the semiquincentennial celebrations of the U.S. [2].

Queen Camilla said the experience was "wonderful" [4]. She said the trip was "really good fun" [5].

The departure from Joint Base Andrews marked the end of a series of events designed to honor the milestone anniversary of the nation [1]. The visit included multiple engagements across the U.S. over the four-day [3] period.

Official reports indicated the couple left the U.S. on April 30, 2026 [1]. The departure follows a schedule of diplomatic meetings and public appearances intended to strengthen bilateral ties during the historic anniversary year [2].

The royal couple concluded a four-day historic state visit

The timing of this state visit coincides with the U.S. semiquincentennial, utilizing the 250th anniversary to solidify diplomatic relations. By aligning the royal visit with a major national milestone, both nations emphasize a continuity of alliance and shared history during a period of significant American celebration.